12942500 has 60 divisors (see below), whose sum is σ = 29390592. Its totient is φ = 4980000.

The previous prime is 12942487. The next prime is 12942509. The reversal of 12942500 is 524921.

12942500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12942509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 77417 + ... + 77583.

Almost surely, 2^12942500 is an apocalyptic number.

12942500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12942500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14695296).

12942500 is an abundant number, since it is smaller than the sum of its proper divisors (16448092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12942500 is a wasteful number, since it uses less digits than its factorization.

12942500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12942500 is about 3597.5686233900. The cubic root of 12942500 is about 234.7862852548.

The spelling of 12942500 in words is "twelve million, nine hundred forty-two thousand, five hundred".